[PRQ#51308] Deletion Request for notion-neg-git

MarsSeed [1] filed a deletion request for notion-neg-git [2]: This fork of NotionWM has been discontinued since 2016 [a], and the AUR package is unused and broken. [a]: https://github.com/neg-serg/notion [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/notion-neg-git/